Qwen2.5-1.5B-Instruct vs Qwen3.8-27B-DSpark

Specs, VRAM requirements and download trends — updated 21 September 2026.

Qwen · A
Params
1.5 B
Context
32,768
30d
7.4 M
apache-2.0 · commercial OK
RadixArk · B
Params
1.9 B
Context
262,144
30d
329 K

Specification comparison

Differences are highlighted; identical values are muted.

Specification Qwen2.5-1.5B-Instruct Qwen3.8-27B-DSpark
Parameters 1.5 B 1.9 B
Architecture Qwen2ForCausalLM DSparkDraftModel
Context length 32,768 262,144
Licence apache-2.0 other
Commercial use Allowed Unknown
Languages 1
Downloads 30d 7,439,987 328,736
Downloads all time 218.7 M 448 K
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2024-09-17 2026-08-14

Download trend

Daily snapshots, last 56 days (28 Jul – 21 Sep)

14.2 M199 K
Qwen2.5-1.5B-Instruct Qwen3.8-27B-DSpark

VRAM side by side

On RTX 4090 · 24 GB · 8K context unless noted

Qwen2.5-1.5B-Instruct · fp16 4.1 GB / 24 GB
✅ Runs comfortably
Qwen3.8-27B-DSpark · fp16 @ 256K ctx 13.5 GB / 24 GB
✅ Runs comfortably

Adjacent comparisons